A contributor to CarBuzz since April 2025, Ben also was a finalist in The Intercooler Young Writer Compition in 2021, has done a placement with AutoCar, and runs his own independant automotive blog.
In this post I will try to gain some insight into the electronics of a cheap PWM Power MOSFET Module. The module under the spotlight is the pretty common FR120N MOSFET Control Module which is a simple ...